Low-Latency Developer

Atto Trading

$150K — $300K *
Finance & Insurance
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years as a low-latency developer in high-frequency trading (HFT) environments
  • Experience with critical components of HFT platforms
  • Prior experience at an HFT firm during its startup phase is a plus
  • Deep knowledge of networking, kernel bypass, and threading
  • Strong C++ proficiency
  • Excellent understanding of CPU cache and cache efficiency
  • Experience in performance profiling and optimization tools

Responsibilities

  • Analyze and optimize performance of low-latency trading systems
  • Identify bottlenecks and implement solutions to enhance efficiency
  • Develop adaptations to support a fast-paced trading environment
  • Manage technical debt effectively
  • Maintain high-performance trading systems with competitive latency targets

Benefits

  • Competitive compensation package
  • Performance-based bonus opportunities
  • 401k plan
  • Mental health support, including access to therapy
  • Paid time off (25 days)
  • Relocation support (where applicable)
  • International team meet-ups
  • Learning and development support, including courses and certifications
  • Access to professional tools, software, and resources
  • Modern office with paid lunches
Full Job Description
Position Highlights:

We are modernizing our trading and research platform to scale our alpha trading business. This platform will enable researchers to explore, test, and deploy sophisticated signals, models, and strategies across asset classes in a robust, fully automated manner while maintaining competitive latency targets. As a Low-Latency Developer, you will be responsible for designing, optimizing, and maintaining high-performance trading systems to minimize latency.

Your Mission and Goals:
  • Analyze and optimize the performance of low-latency trading systems by identifying bottlenecks and inefficiencies in the code, and implementing effective solutions.
  • Develop and adapt the platform to support the demands of a fast-paced trading environment, while effectively managing technical debt.

Requirements:
  • Over 5 years of experience as a low-latency developer with a focus on performance optimization in a high-frequency trading (HFT) environment.
  • Experience with multiple components of an HFT platform or system, particularly those on the critical path.
  • Experience working at an HFT firm during its startup phase and/or on a trading team is a significant plus.

Technical Skills:
  • Deep knowledge of HFT platforms: networking, kernel bypass, market data, order entry, threading, inter-process communication, and strategy APIs.
  • Proven low-latency development and performance optimization in HFT.
  • Strong proficiency in C++.
  • Excellent understanding of CPU caches and cache efficiency.
  • Experience with multithreaded and multi-process synchronization.
  • Good understanding of networking protocols.
  • Skilled in performance profiling and optimization tools.
  • Advanced knowledge of Linux operating systems, including kernel-level device mechanisms.
  • AI & Productivity Tools: Demonstrated ability to effectively leverage modern AI tools (e.g., generative AI, code assistants, research and productivity tools) to improve quality, speed, decision-making, and workflow efficiency while maintaining strong judgment, accuracy, and ownership of outcomes.

About You:
  • Practical decision-making skills.
  • Excellent communication skills.
  • Strong analytical and problem-solving skills.
  • Passion for trading.
  • Ability to work independently and as part of a team.

Benefits:
  • Competitive compensation package
  • Performance-based bonus opportunities
  • 401k plan
  • Mental health support, including access to therapy
  • Paid time off (25 days)
  • Relocation support (where applicable)
  • International team meet-ups
  • Learning and development support, including courses and certifications
  • Access to professional tools, software, and resources
  • Fully equipped workstations with high-quality hardware
  • Modern office with paid lunches

Annual base salary range of $150,000 to $300,000. Pay (base and bonus) may vary depending on job-related skills and experience.

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